CN202693464U - Small particle size seed quality online nondestructive detecting device based on near infrared spectrum - Google Patents
Small particle size seed quality online nondestructive detecting device based on near infrared spectrum Download PDFInfo
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- CN202693464U CN202693464U CN 201220353616 CN201220353616U CN202693464U CN 202693464 U CN202693464 U CN 202693464U CN 201220353616 CN201220353616 CN 201220353616 CN 201220353616 U CN201220353616 U CN 201220353616U CN 202693464 U CN202693464 U CN 202693464U
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Abstract
The utility model belongs to the field of agricultural detection, and particularly relates to a near infrared spectrum online nondestructive detecting device for nondestructively detecting quality of a small particle size crop seed. The device comprises a spectrum signal acquiring fiber, a spectrum acquiring control photoelectric sensor, a single seed sampling device, a near infrared spectrum instrument, an incidence fiber, a light source, a motor, a negative pressure pipeline, a positive pressure pipeline, a positive/negative fan and a computer. According to the device, the single seed spectrum information is acquired online, and a single seed quality detecting model based on the spectrum information is established based on the quality index of the seed to be detected; when online detection is carried out, the spectrum information of a single small particle size seed sample to be detected is automatically acquired, and the to-be-detected index of the sample to be detected can be nondestructively detected online in real time by utilizing the single seed quality detecting model which is established offline. The device provided by the utility model utilizes the optical characteristics of small particle size seed, and organically combines a pneumatic type automatic single seed sampling method, so as to automatically detect the quality of single seed online.
Description
Technical field
The utility model belongs to the agriculture test technical field, is specifically related to particularly grain and oil crop grain quality on-line measuring device of a kind of small particle diameter seed, and this device is relevant with the near infrared spectrum field of non destructive testing.
Background technology
China is one of world rape main product state, and approximately 1,200 ten thousand tons of approximately 6,900,000 hectares of 2001～2010 annual cultivated areas, rapeseed total production account for about 30% of world's total amount.Comprising the compositions such as erucic acid, leukotrienes, oleic acid, linoleic acid, protein, sulphur glycosides in the rapeseed, is my main state edible vegetable oil, feed with vegetable protein grouts source; Also be biodiesel, the important sources of industrial, pharmaceutical grease.
The rapeseed component content difference of different cultivars is larger, and the rape of same kind is subjected to the impact of growing environment, and composition is also inconsistent.Different purposes are also different to the requirement of rapeseed: when squeezing for edible oil, require the saturated fatty acid content such as erucic acid, leukotrienes low, guarantee that edible nourishing is worth with healthy; When preparing for commercial grease, require content of erucic acid high; Feed is high with dregs of rapeseed cake requirement protein content, sulphur glycosides content is low.Unsound grain and other impurity underdone, go mouldy (mildewing) and fire damage can appear in the rapeseed recovery process.Grain water is large or the prematurity grain is many can cause duration of storage to go mouldy, the difference of oil content, water percentage, and the temperature during to storage, relative humidity, stacking height etc. require also different.Therefore need to implement rape seed and raw material quality control in the actual production, maximization rapeseed cultivation and processing economic benefit.
Therefore crop seeds and raw material quality control must need accurate, quick, convenient, applicable simple grain rapeseed quality detection technique and equipment take the quality of its single grain as the basis, provide technical support for implementing quality control.The quality of rapeseed comprises the oleaginousness that relates to internal component, various saturated fatty acid and unsaturated fatty acid, sulphur glycosides, protein and moisture, and germinate, go mouldy, a plurality of indexs such as the imperfection seed rate of underdone and fire damage and percentage of impurity.Wherein mildew, the imperfection seed rate of underdone and fire damage and percentage of impurity artificial screening inspection normally; The internal component detection method is to adopt manual, automatic semi-automatic instrument that the quality characteristics such as the oleaginousness of rapeseed, moisture, protein content are detected by chemical method, or by large-scale instrument and equipment, such as gas chromatograph, liquid chromatograph, high performance liquid chromatograph etc. fatty acid component, the sulphur glycosides content of rapeseed are analyzed mensuration.This class detection method process complicated and time consumption, labor capacity is large, cost is high, belongs to destructive more and detects, and is not suitable for rapeseed quality control in the actual production.Therefore implement quick, convenient, applicable and advanced simple grain rapeseed quality and detect implementing precisely comprehensively rape seed and raw material quality control in the actual production, maximization rape production economy benefit has important theory value and realistic meaning.
The utility model content
The purpose of this utility model is to provide online the cannot-harm-detection device of small particle diameter seed quality of a kind of near infrared spectrum.Spectral information by online acquisition small particle diameter seed (for example simple grain rapeseed) sample, the rapeseed quality index off-line that detects as requested carries out the physico-chemical analysis test of quality to be detected to each simple grain rapeseed sample of daylighting spectrum, utilize the index of quality physics and chemistry reference value of the simple grain rapeseed spectrum that gathers and the rape seed of having measured, by the simple grain rapeseed quality detection model of chemometrics method foundation based on spectral information, the index to be detected of testing sample is carried out real time on-line nondestructive detect.
The technical solution adopted in the utility model is as follows:
Online the cannot-harm-detection device of small particle diameter seed quality of a kind of near infrared spectrum, this device comprises that spectral signal gathers optical fiber 1, spectra collection control photoelectric sensor 2, simple grain sampler 3, near infrared spectrometer 4, incident optical 5, light source 6, motor 7, negative-pressure pipeline 8, malleation pipeline 9, positive/negative-pressure blower fan 10 and computing machine 11, described positive/negative-pressure blower fan 10 links to each other with simple grain sampler 3 with malleation pipeline 9 by negative-pressure pipeline 8, motor 7 is connected by sampler axle 16 with simple grain sampler 3, incident optical 5 is passed to light source 6 in the simple grain sampler 3, spectra collection control photoelectric sensor 2 is fixed on the simple grain sampler 3, after detecting sample, send a signal near infrared spectrometer 4, the sample spectra information that near infrared spectrometer 4 gathers through 1 transmission of spectral signal collection optical fiber sends to computing machine 11.
Positive/negative-pressure air chamber 12 in the described simple grain sampler 3 is communicated with negative-pressure pipeline 8, malleation pipeline 9 respectively by negative pressure hole 13 and malleation hole 17, sampling disk 18 circumference uniform distribution sampling type holes 19, the sampling type hole 19 outer corresponding spectra collection control windows 20 of arranging, sampling disk 18 is fixed on the sampler axle 16, it is driven by motor 7, sampler sample bin 21 and positive/negative-pressure air chamber 12 be fixing fasten and by sampling disk 18 in internal insulation, correspondence is furnished with fiber-optic fixing-hole 14 and photoelectric sensor fixed orifice 15 on it.
Using method of the present utility model is:
The online lossless detection method of a kind of near infrared spectrum of simple grain rapeseed quality, its step is as follows:
1) off-line is set up the Quality Detection model:
The spectral information of online acquisition simple grain rapeseed sample, the rapeseed quality index that detects as requested, off-line carries out analytical test to the simple grain rapeseed sample of the spectrum of daylighting, obtain its index of quality reference value, utilize the simple grain rapeseed spectrum of collection and the corresponding rape seed index of quality physics and chemistry reference value of mensuration, by chemometrics method, set up the simple grain rapeseed quality detection model based on spectral information;
2) the online detection:
During online the detection, automatically gather the spectral information of simple grain rapeseed sample to be measured, the simple grain rapeseed quality detection model that utilizes off-line to set up carries out real time on-line nondestructive to the index to be detected of testing sample and detects.
2, the online lossless detection method of the near infrared spectrum of simple grain rapeseed quality as claimed in claim 1, after it is characterized in that the spectral information of described online acquisition simple grain rapeseed, after de-noising, correction, differential pre-service, by characteristic wavelength selection, principal factor analysis (PFA), extract the quantitative and qualitative Non-Destructive Testing that the efficient light spectrum information that characterizes the simple grain rapeseed quality carries out the simple grain rapeseed quality.
The beneficial effect of the utility model patent is:
The utility model organically combines Pneumatic type robotization simple grain sampling method according to the spectral characteristic of rape seed, realizes that the automatic online of simple grain rapeseed quality detects.The utility model is used for the sampling observation of selected, the process of harvesting and storing Raw of cultivation, the rape seed of rapeseed breeding process breeding, auxiliary or alternative professional testing staff and traditional detection method, improve detection efficiency, reduce the workload of Quality Detection and quality control, precisely comprehensively rape seed and raw material quality control are implemented maximization rape production economy benefit in realizing producing.
Description of drawings
Fig. 1: be the utility model structure of the detecting device schematic diagram.
Fig. 2: be simple grain sampler structural representation in the utility model.
Mark is defined as follows among the figure:
1. spectral signal Transmission Fibers; 2. spectra collection is controlled photoelectric sensor; 3. simple grain sampler; 4. near infrared spectrometer; 5. incident optical; 6. light source; 7. motor; 8. negative-pressure pipeline; 9. malleation pipeline; 10. positive/negative-pressure blower fan; 11. computing machine; 12. sampler air-pressure chamber; 13. negative pressure pore; 14. fibre-optical probe fixed orifice; 15. photoelectric sensor fixed orifice; 16. sampler rotation axis; 17. malleation pore; 18. sampling disk; 19. sampling type hole; 20. spectra collection control signal window; 21. sampler sample bin.
Embodiment
Embodiment 1 dress embodiment
By Fig. 1 to Fig. 2, applicant's assembling design small particle diameter seed online the cannot-harm-detection device of simple grain rapeseed quality particularly of a kind of near infrared spectrum, this device comprises that spectral signal gathers optical fiber 1, spectra collection control photoelectric sensor 2, simple grain sampler 3, near infrared spectrometer 4, incident optical 5, light source 6, motor 7, negative-pressure pipeline 8, malleation pipeline 9, positive/negative-pressure blower fan 10 and computing machine 11, described positive/negative-pressure blower fan 10 links to each other with simple grain sampler 3 with malleation pipeline 9 by negative-pressure pipeline 8, motor 7 is connected by sampler axle 16 with simple grain sampler 3, incident optical 5 is passed to light source 6 in the simple grain sampler 3, spectra collection control photoelectric sensor 2 is fixed on the simple grain sampler 3, after detecting sample, send a signal near infrared spectrometer 4, the sample spectra information that near infrared spectrometer 4 gathers through 1 transmission of spectral signal collection optical fiber sends to computing machine 11.
Positive/negative-pressure air chamber 12 in the described simple grain sampler 3 is communicated with negative-pressure pipeline 8, malleation pipeline 9 respectively by negative pressure hole 13 and malleation hole 17, sampling disk 18 circumference uniform distribution sampling type holes 19, the sampling type hole 19 outer corresponding spectra collection control windows 20 of arranging, sampling disk 18 is fixed on the sampler axle 16, it is driven by motor 7, sampler sample bin 21 and positive/negative-pressure air chamber 12 be fixing fasten and by sampling disk 18 in internal insulation, correspondence is furnished with fiber-optic fixing-hole 14 and photoelectric sensor fixed orifice 15 on it.
The application of embodiment 2 the utility model in differentiating imperfection rape seed
Specific design of the present utility model is described with reference to " utility model content " and " description of drawings ", the below detects as embodiment online take simple grain rapeseed unsound grain (comprise mildew, the seed of underdone, fire damage), and embodiment of the present utility model is further specified.
By Fig. 1 to shown in Figure 2: when simple grain rapeseed unsound grain detects, select representational imperfection seed (comprise mildew, the seed of underdone, fire damage) and normal seed samples, composition modeling sample collection.The sample seed that modeling is used is put into a side sampler sample bin 21 of sampling disk 18, drop on the bottom of sampler sample bin, the part that has negative pressure pore 13 in the sampler air chamber 12 of sampling disk 18 opposite sides is communicated with negative-pressure pipeline 8, under 10 effects of positive/negative-pressure blower fan, form negative pressuren zone, form negative pressure at 19 places, sampling type hole, seed samples in the absorption sampler sample bin 21, sampling type hole 19 is less than the minimum diameter of rape seed, therefore seed samples is by 19 places, sampling type hole, below that are adsorbed on the sampling disk of simple grain, driven by motor 7 with sampler rotation axis 16, gyration is to the top.The near infrared light that light source 6 is launched is conducted to the sampling type bore region 19 on the sampling disk 18 of fibre-optical probe fixed orifice 14 correspondences by incident optical 5, form the spectra collection zone.When the sampling type hole 19 of having carried the sample seed by negative-pressure adsorption returns back to the spectra collection zone, the spectra collection control photoelectric sensor 2 that is fixed on the photoelectric sensor fixed orifice 14 detects on the sampling disk 18 corresponding to the attached spectra collection control signal window 20 of taking the sampling type hole 19 of sample seed, send model near infrared spectrometer 4, gather the spectral information of being crossed sample seed on the sampling type hole 19 by the transmission of spectral signal Transmission Fibers 1 conduction through infrared spectrometer 4, send computing machine 11 storages to.The part that has malleation pore 17 in the sampler air chamber 12 is communicated with malleation pipeline 9, under 10 effects of positive/negative-pressure blower fan, form zone of positive pressure, seed behind the collection spectral information continues to do gyration with sampling disk 18 under suction function, enter zone of positive pressure, the negative-pressure adsorption power of sample seed disappears on the sampling type hole 19, seed blows under power and the action of gravitation in malleation, and threshing sampling type porose area is finished automatic sampling, a spectra collection of single seed and unloaded the sample cycle.Sample seed in the sampler sample bin 21 has namely been finished the spectral information collection of modeling sample collection through the circulation in above-mentioned cycle.
Each sample that has gathered spectral information is by the Artificial Cognition, determines its quality classification reference value unsound grain or the normal seed of underdone, fire damage (mildew).The modeling sample collection seed spectral information that gathers, through de-noising, proofread and correct, differential pre-service (Lu Wanzhen, " NIR spectra analysis ", Sinopec publishing house, Beijing, 2007 editions) after, select by characteristic wavelength, principal factor analysis (PFA), extract the efficient light spectrum information that characterizes the simple grain rapeseed quality, combine with the classification reference value of corresponding seed, employing has the mode identification method of supervision, comprises the offset minimum binary diagnostic method, the support vector machine diagnostic method, the artificial neural network diagnostic method is set up based on spectral information simple grain rapeseed unsound grain qualitative discrimination model (Lu Wanzhen, " NIR spectra analysis ", Sinopec publishing house, Beijing, 2007 editions)); When being used for online the detection, detected sample spectrum is with automatic collection and the preprocessing process of above-mentioned modeling sample, to bring in the unsound grain qualitative discrimination model of foundation through pretreated sample spectra information, online judge that the sample seed is unsound grain (mildews, underdone, fire damage), or normal seed, and can add up the unsound grain index of quality of detected sample set.
Claims (2)
1. online the cannot-harm-detection device of small particle diameter seed quality of a near infrared spectrum, it is characterized in that: this device comprises that spectral signal gathers optical fiber (1), spectra collection control photoelectric sensor (2), simple grain sampler (3), near infrared spectrometer (4), incident optical (5), light source (6), motor (7), negative-pressure pipeline (8), malleation pipeline (9), positive/negative-pressure blower fan (10) and computing machine (11), described positive/negative-pressure blower fan (10) links to each other with simple grain sampler (3) with malleation pipeline (9) by negative-pressure pipeline (8), motor (7) is connected by sampler axle (16) with simple grain sampler (3), incident optical (5) is passed to light source (6) in the simple grain sampler (3), spectra collection control photoelectric sensor (2) is fixed on the simple grain sampler (3), after detecting sample, send a signal near infrared spectrometer (4), the sample spectra information that near infrared spectrometer (4) gathers through spectral signal collection optical fiber (1) transmission sends to computing machine (11).
2. pick-up unit according to claim 1, it is characterized in that: the positive/negative-pressure air chamber (12) in the described simple grain sampler (3) by negative pressure hole (13) and malleation hole (17) respectively with negative-pressure pipeline (8), malleation pipeline (9) is communicated with, sampling disk (18) circumference uniform distribution sampling type hole (19), the outer corresponding spectra collection control window (20) of arranging in sampling type hole (19), sampling disk (18) is fixed on the sampler axle (16), it is driven by motor (7), sampler sample bin (21) and positive/negative-pressure air chamber (12) be fixing fasten and by sampling disk (18) in internal insulation, correspondence is furnished with fiber-optic fixing-hole (14) and photoelectric sensor fixed orifice (15) on it.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220353616 CN202693464U (en) | 2012-07-20 | 2012-07-20 | Small particle size seed quality online nondestructive detecting device based on near infrared spectrum |
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| CN 201220353616 CN202693464U (en) | 2012-07-20 | 2012-07-20 | Small particle size seed quality online nondestructive detecting device based on near infrared spectrum |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406287A (en) * | 2013-08-23 | 2013-11-27 | 上海纽迈电子科技有限公司 | Online low-field nuclear magnetic resonance oil-containing seed sorting system |
| CN104062262A (en) * | 2014-07-09 | 2014-09-24 | 中国科学院半导体研究所 | Crop seed variety authenticity identification method based on near infrared spectrum |
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2012
- 2012-07-20 CN CN 201220353616 patent/CN202693464U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103406287A (en) * | 2013-08-23 | 2013-11-27 | 上海纽迈电子科技有限公司 | Online low-field nuclear magnetic resonance oil-containing seed sorting system |
| CN103406287B (en) * | 2013-08-23 | 2015-02-11 | 上海纽迈电子科技有限公司 | Online low-field nuclear magnetic resonance oil-containing seed sorting system |
| CN104062262A (en) * | 2014-07-09 | 2014-09-24 | 中国科学院半导体研究所 | Crop seed variety authenticity identification method based on near infrared spectrum |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20130720 |